67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package mixrepoimpl
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import (
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"context"
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"fmt"
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"strings"
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"time"
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v1 "voucher/api/v1"
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"voucher/internal/biz/mixrepos"
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"voucher/internal/conf"
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"voucher/internal/pkg/cmb"
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"voucher/internal/pkg/helper"
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)
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type CmbMixRepoImpl struct {
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bc *conf.Bootstrap
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}
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func NewCmbMixRepoImpl(bc *conf.Bootstrap) mixrepos.CmbMixRepo {
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return &CmbMixRepoImpl{bc: bc}
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}
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func (s *CmbMixRepoImpl) BuildRequest(_ context.Context, bizJsonStr string) (*v1.CmbRequest, error) {
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// 我们的sm2 公钥加密
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// 请求到我们这边 使用 我们的私钥解密
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encryptBody, err := cmb.Encrypt(s.bc.Cmb.Sm2Puk, bizJsonStr)
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if err != nil {
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return nil, err
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}
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date := time.Now().Format("20060102150405")
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reply := &v1.CmbRequest{
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Mid: s.bc.Cmb.Mid,
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Aid: s.bc.Cmb.Aid,
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Date: date,
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Random: string(cmb.RandomBytes(16)),
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KeyAlias: s.bc.Cmb.KeyAlias,
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CmbKeyAlias: s.bc.Cmb.CmbKeyAlias,
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EncryptBody: encryptBody,
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Sign: "",
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}
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kvRows := helper.SortStructFieldsByKey(reply)
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var strToBeSigned strings.Builder
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for _, kv := range kvRows {
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if kv.Key == "sign" {
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continue
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}
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if kv.Value == "" {
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continue
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}
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strToBeSigned.WriteString(fmt.Sprintf("%s=%s&", kv.Key, kv.Value))
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}
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str := fmt.Sprintf("/voucher/cmb/v1/order?%s", strings.TrimRight(strToBeSigned.String(), "&"))
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sing, err := cmb.Sign(s.bc.Cmb.CmbSm2Pik, str)
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if err != nil {
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return nil, err
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}
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reply.Sign = sing
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return reply, nil
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}
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